Home / 16,778.39-23,145.07-10,402.83

Finding the Fourth Proportional to 16,778.39, 23,145.07 and 10,402.83

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Solution

The fourth proportional to 16,778.39, 23,145.07 and 10,402.83 is: 14,350.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.39 : 23,145.07 = 10,402.83 : x
  2. Step 2: Convert to fraction form
    16,778.39/23,145.07 = 10,402.83/x
  3. Step 3: Cross multiply
    16,778.39x = 23,145.07 × 10,402.83
  4. Step 4: Simplify right side
    16,778.39x = 240,774,192.79
  5. Step 5: Solve for x
    x = 240,774,192.79/16,778.39
  6. Step 6: Final answer
    x = 14,350.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.